Inventor

WALKER GLENN A

US47 patents

⚠️ This page may combine multiple inventors who share the name “WALKER GLENN A”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

WALKER GLENN A

DELPHI TECH INC

Method to minimize compatibility error in hierarchical modulation

Technique for demodulating level II hierarchical data

Method to create hierarchical modulation in OFDM

Method to maximize receiver performance in a multi-stream system

Hierarchically modulated OFDM communication from a satellite-based transmitter with reduced secondary data loss from clipping

Method and apparatus for processing air-borne digital data received in a motor vehicle

Method and apparatus for detecting the removal of a vehicle antenna and subsequently authenticating the user

Vehicle oriented switched antenna system

Method to receive local information with a national broadcast service

Audio system with first and second units having wireless interface, and audio recievers therefor

Digital RF receiver and method of dynamically adjusting a multi-cluster memory buffer

Method to increase performance of secondary data in a heirarchial modulation scheme

Method to inject hierarchical data onto single carrier stream

Method to increase performance of secondary data in a hierarchical modulation scheme

Time-shifting data in digital radio system

Communication system utilizing a hierarchically modulated signal and method thereof

Communication system utilizing a hierarchically modulated signal and method thereof

Communication system and method for transmitting signals to a plurality of different types of receivers

Method and system for communicating sub-synchronization signals using a phase rotator

Communication system and method for receiving high priority and low priority signals

Communication system and method of receiving high priority signals and low priority signals

Method to minimize degradation in a D-MPSK hierarchical modulation system

Method to demodulate amplitude offsets in a differential modulation system

Method to minimize compatibility error in hierarchical modulation using variable phase

Method to optimize hierarchical modulation for a diversity system

Receiver system and method for switching among a plurality of antenna elements to receive a signal

Method and system to increase available bandwidth in a time division multiplexing system

Technique for providing secondary data in a single-frequency network

Communication service subscription management

System and method for optimizing terrestrial signal acquisition in a communication system

Method to increase signal-to-noise ratio of a cyclic-prefix orthogonal frequency-division multiplex signal

Method to enable single frequency network optimization

Method and system for sending and receiving satellite digital radio programming information for multiple channels

Method to minimize compatibility error in hierarchical modulation using variable phase

Method for variable performance in communication systems

Method to increase performance of secondary data in a hierarchical modulation scheme

Technique for addressing frame loss in a video stream

Radio receiver system and method of injecting audio content

Technique for determining a tuning frequency of an audio receiver

Satellite communication having distinct low priority information broadcast into adjacent sub-regions

In-vehicle communication system and method of operation

System and method for multi-source communications

Digital receiver and method for receiving secure group data

WALKER GLENN A

Apparatus to communicate multiple signals from multiple antennas on a single cable

Communications system and method of communicating data

Satellite receiver performance enhancements

MCDANELL ROGER A

Methods to extend the frequency lock range of a received RF signal using a preamble-based frequency estimate